test/CodeGen/BPF/BTF/map-def.ll

   1 ; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
   2 ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
   3
   4 ; Source code:
   5 ;   struct key_type {
   6 ;     int a;
   7 ;     int b;
   8 ;   };
   9 ;   struct map_type {
  10 ;     struct key_type *key;
  11 ;     unsigned *value;
  12 ;   };
  13 ;   struct map_type __attribute__((section(".maps"))) hash_map;
  14 ; Compilation flag:
  15 ;   clang -target bpf -O2 -g -S -emit-llvm t.c
  16
  17 %struct.map_type = type { %struct.key_type*, i32* }
  18 %struct.key_type = type { i32, i32 }
  19
  20 @hash_map = dso_local local_unnamed_addr global %struct.map_type zeroinitializer, section ".maps", align 8, !dbg !0
  21
  22 ; CHECK:             .section        .BTF,"",@progbits
  23 ; CHECK-NEXT:        .short  60319                   # 0xeb9f
  24 ; CHECK-NEXT:        .byte   1
  25 ; CHECK-NEXT:        .byte   0
  26 ; CHECK-NEXT:        .long   24
  27 ; CHECK-NEXT:        .long   0
  28 ; CHECK-NEXT:        .long   168
  29 ; CHECK-NEXT:        .long   168
  30 ; CHECK-NEXT:        .long   65
  31 ; CHECK-NEXT:        .long   1                       # BTF_KIND_STRUCT(id = 1)
  32 ; CHECK-NEXT:        .long   67108866                # 0x4000002
  33 ; CHECK-NEXT:        .long   16
  34 ; CHECK-NEXT:        .long   10
  35 ; CHECK-NEXT:        .long   2
  36 ; CHECK-NEXT:        .long   0                       # 0x0
  37 ; CHECK-NEXT:        .long   14
  38 ; CHECK-NEXT:        .long   5
  39 ; CHECK-NEXT:        .long   64                      # 0x40
  40 ; CHECK-NEXT:        .long   0                       # BTF_KIND_PTR(id = 2)
  41 ; CHECK-NEXT:        .long   33554432                # 0x2000000
  42 ; CHECK-NEXT:        .long   3
  43 ; CHECK-NEXT:        .long   20                      # BTF_KIND_STRUCT(id = 3)
  44 ; CHECK-NEXT:        .long   67108866                # 0x4000002
  45 ; CHECK-NEXT:        .long   8
  46 ; CHECK-NEXT:        .long   29
  47 ; CHECK-NEXT:        .long   4
  48 ; CHECK-NEXT:        .long   0                       # 0x0
  49 ; CHECK-NEXT:        .long   31
  50 ; CHECK-NEXT:        .long   4
  51 ; CHECK-NEXT:        .long   32                      # 0x20
  52 ; CHECK-NEXT:        .long   33                      # BTF_KIND_INT(id = 4)
  53 ; CHECK-NEXT:        .long   16777216                # 0x1000000
  54 ; CHECK-NEXT:        .long   4
  55 ; CHECK-NEXT:        .long   16777248                # 0x1000020
  56 ; CHECK-NEXT:        .long   0                       # BTF_KIND_PTR(id = 5)
  57 ; CHECK-NEXT:        .long   33554432                # 0x2000000
  58 ; CHECK-NEXT:        .long   6
  59 ; CHECK-NEXT:        .long   37                      # BTF_KIND_INT(id = 6)
  60 ; CHECK-NEXT:        .long   16777216                # 0x1000000
  61 ; CHECK-NEXT:        .long   4
  62 ; CHECK-NEXT:        .long   32                      # 0x20
  63 ; CHECK-NEXT:        .long   50                      # BTF_KIND_VAR(id = 7)
  64 ; CHECK-NEXT:        .long   234881024               # 0xe000000
  65 ; CHECK-NEXT:        .long   1
  66 ; CHECK-NEXT:        .long   1
  67 ; CHECK-NEXT:        .long   59                      # BTF_KIND_DATASEC(id = 8)
  68 ; CHECK-NEXT:        .long   251658241               # 0xf000001
  69 ; CHECK-NEXT:        .long   0
  70 ; CHECK-NEXT:        .long   7
  71 ; CHECK-NEXT:        .long   hash_map
  72 ; CHECK-NEXT:        .long   16
  73 ; CHECK-NEXT:        .byte   0                       # string offset=0
  74 ; CHECK-NEXT:        .ascii  "map_type"              # string offset=1
  75 ; CHECK-NEXT:        .byte   0
  76 ; CHECK-NEXT:        .ascii  "key"                   # string offset=10
  77 ; CHECK-NEXT:        .byte   0
  78 ; CHECK-NEXT:        .ascii  "value"                 # string offset=14
  79 ; CHECK-NEXT:        .byte   0
  80 ; CHECK-NEXT:        .ascii  "key_type"              # string offset=20
  81 ; CHECK-NEXT:        .byte   0
  82 ; CHECK-NEXT:        .byte   97                      # string offset=29
  83 ; CHECK-NEXT:        .byte   0
  84 ; CHECK-NEXT:        .byte   98                      # string offset=31
  85 ; CHECK-NEXT:        .byte   0
  86 ; CHECK-NEXT:        .ascii  "int"                   # string offset=33
  87 ; CHECK-NEXT:        .byte   0
  88 ; CHECK-NEXT:        .ascii  "unsigned int"          # string offset=37
  89 ; CHECK-NEXT:        .byte   0
  90 ; CHECK-NEXT:        .ascii  "hash_map"              # string offset=50
  91 ; CHECK-NEXT:        .byte   0
  92 ; CHECK-NEXT:        .ascii  ".maps"                 # string offset=59
  93 ; CHECK-NEXT:        .byte   0
  94
  95 !llvm.dbg.cu = !{!2}
  96 !llvm.module.flags = !{!18, !19, !20}
  97 !llvm.ident = !{!21}
  98
  99 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
 100 !1 = distinct !DIGlobalVariable(name: "hash_map", scope: !2, file: !3, line: 9, type: !6, isLocal: false, isDefinition: true)
 101 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 9.0.0 (trunk 364157) (llvm/trunk 364156)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None)
 102 !3 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/llvm")
 103 !4 = !{}
 104 !5 = !{!0}
 105 !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "map_type", file: !3, line: 5, size: 128, elements: !7)
 106 !7 = !{!8, !15}
 107 !8 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !6, file: !3, line: 6, baseType: !9, size: 64)
 108 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
 109 !10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "key_type", file: !3, line: 1, size: 64, elements: !11)
 110 !11 = !{!12, !14}
 111 !12 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !10, file: !3, line: 2, baseType: !13, size: 32)
 112 !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
 113 !14 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !10, file: !3, line: 3, baseType: !13, size: 32, offset: 32)
 114 !15 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !6, file: !3, line: 7, baseType: !16, size: 64, offset: 64)
 115 !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64)
 116 !17 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
 117 !18 = !{i32 2, !"Dwarf Version", i32 4}
 118 !19 = !{i32 2, !"Debug Info Version", i32 3}
 119 !20 = !{i32 1, !"wchar_size", i32 4}
 120 !21 = !{!"clang version 9.0.0 (trunk 364157) (llvm/trunk 364156)"}